Patent US249766A successfully refreshed from Google Patents.
US249766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
James hunt
Assignee: —
•
Filing: —
•
Granted: 1881-11-22
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Expires: 1898-11-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:57
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/12; F16L37/18; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1412; Y10T24/1424; Y10T403/00; Y10T403/45; Y10T403/451; Y10T403/452
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1884-11-21 | 1885-05-23 | 1885-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1888-11-21 | 1889-05-23 | 1889-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1892-11-21 | 1893-05-23 | 1893-11-22 | $7700.00 | Window Closed / Lapsed |